//alertDialog的容器
//<div id="alter_div"></div>
var show_alert=function (content,id)
{    
    var alter_div=document.getElementById("alter_div");
    if(!alter_div)
    {
        alter_div=document.createElement("div");
        alter_div.innerHTML=content;
        alter_div.id="alter_div";
        
        document.body.appendChild(alter_div);
    }
    else
    {
        alter_div.innerHTML=content;
        alter_div.style.display="";
    }
    var scrollPos = 0;     
    if (typeof window.pageYOffset != 'undefined') {     
       scrollPos = window.pageYOffset;     
    }     
    else if (typeof window.document.compatMode != 'undefined' &&     
       window.document.compatMode != 'BackCompat') {     
       scrollPos = window.document.documentElement.scrollTop;     
    }     
    else if (typeof window.document.body != 'undefined') {     
       scrollPos = window.document.body.scrollTop;     
    }	
    alter_div.style.left=(document.body.offsetWidth/2-200)+"px";
    alter_div.style.top=(300+scrollPos)+"px";
}
var hide_alert=function()
{
    var alter_div=document.getElementById("alter_div");
    if(alter_div)
        alter_div.style.display="none";
}

var show_check=function (content)
{    
    var alter_div=document.getElementById("alter_div");
    if(!alter_div)
    {
        alter_div=document.createElement("div");
        alter_div.innerHTML=content;
        alter_div.id="alter_div";
        
        document.body.appendChild(alter_div);
    }
    else
    {
        alter_div.innerHTML=content;
        alter_div.style.display="";
    }
    var scrollPos = 0;     
    if (typeof window.pageYOffset != 'undefined') {     
       scrollPos = window.pageYOffset;     
    }     
    else if (typeof window.document.compatMode != 'undefined' &&     
       window.document.compatMode != 'BackCompat') {     
       scrollPos = window.document.documentElement.scrollTop;     
    }     
    else if (typeof window.document.body != 'undefined') {     
       scrollPos = window.document.body.scrollTop;     
    }	
    alter_div.style.left=(document.body.offsetWidth/2-200)+"px";
    alter_div.style.top=(200+scrollPos)+"px";
}

function show_dialog(title,content)
{
    var str_alert_dialog;
    str_alert_dialog="<div id=\"alter_top\"><div id=\"alter_top_left\"></div><div class=\"alter_border_h\"></div><div id=\"alert_top_right\"></div></div><div id=\"alter_body\"><div class=\"alter_border_v\"></div><div id=\"alert_body_container\"><div id=\"alert_body_container_top\"><span id=\"alert_title\">"+title+"</span><a href=\"javascript:;\" onclick=\"hide_alert()\" style=\"margin-left:280px;\">&times;</a></div><div id=\"alert_body_container_mid\"><span id=\"alert_content\">"+content+"</span></div><div id=\"alert_body_container_bottom\"><input type=\"button\" id=\"no\" value=\"确定\" class=\"bt_ok\" onclick=\"hide_alert()\" style=\"width:105px;float:right;margin-right:10px;\" /></div></div><div class=\"alter_border_v\"></div></div><div id=\"alter_bottom\"><div id=\"alter_bottom_left\"></div><div class=\"alter_border_h\"></div><div id=\"alert_bottom_right\"></div></div>";       
   show_alert(str_alert_dialog,0);
}